<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>json</title>
    <style>
        pre {outline: 1px solid #ccc; padding: 5px; margin: 5px; }
        .string { color: green; }
        .number { color: darkorange; }
        .boolean { color: blue; }
        .null { color: magenta; }
        .key { color: red; }
    </style>
</head>
<body>
<pre id="result"></pre>

</body>
</html>
<script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
<script type="text/javascript">

    function syntaxHighlight(json) {
        if (typeof json != 'string') {
            json = JSON.stringify(json, undefined, 2);
        }
        json = json.replace(/&/g, '&').replace(/</g, '<').replace(/>/g, '>');
        return json.replace(/("(\\u[a-zA-Z0-9]{4}|\\[^u]|[^\\"])*"(\s*:)?|\b(true|false|null)\b|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?)/g, function (match) {
            var cls = 'number';
            if (/^"/.test(match)) {
                if (/:$/.test(match)) {
                    cls = 'key';
                } else {
                    cls = 'string';
                }
            } else if (/true|false/.test(match)) {
                cls = 'boolean';
            } else if (/null/.test(match)) {
                cls = 'null';
            }
            return '<span class="' + cls + '">' + match + '</span>';
        });
    }
    var json_data = <?php echo $cookie; ?>;

    var aa = syntaxHighlight(json_data);
    $('#result').html(aa);
</script>